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Unit 3: Bonding

TermDefinition
Electron configuration The arrangement of electrons in an atom.
Covalent bond A bond formed when atoms share one or more pairs of electrons.
ionic bond A force that attracts electrons fro one atom to another, which transforms a neutral atom into ion.
ion an atom, radical, or molecule that has gained or lost one or more electrons and has negative or positive charge.
Lewis dot structure (electron-dot notation) A structural formula in which electrons are represented by dots.
Octet rule an atom will be most stable when surrounded by 8 electrons in the valence shell (outer most energy level)
metallic bond A bond formed by the attraction between positively charged metal ions and the electrons around them.
conductivity Material that is able to conduct electricity
polar Describes a molecule in which the positive and negative charges are separated.
nonpolar A covalent bond in which the bonding electrons are equally attracted to both bonded atoms.
bent 2,2
tetrahedral 4,0
trigonal planar 3,0
linar 2,0
valence electrons An electron that is found in the outermost shell of an atom and that determines the atom's chemical properties.
formula unit The simplest collection of atoms from which an ionic compound's formula can be written.
polyatomic ion A covalent bonded set of two or more atoms, or of a metal complex, that can be considered to behave as a single unit and that has a net charge that is not zero.
VSEPR theory A theory that predicts some molecular shapes based on the idea that pairs of valence electrons surrounding an atom repel each other.
Created by: re452435
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